Seedlings getting spotty

Coco bean

Coco bean

Member
Growing hydro,, ph 5.9 ec 0.6,,
Two week old seedlings are all showing silvery spots on leaves, done a problem search and all it keeps throwing up is Thrip,, I’ve examined each one and there is no thrip on any.
Any ideas ,, thank you
 

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Coco bean said:
I sprayed when the lights were on,, I assume that’s wrong
Click to expand...
if it's hot it can dry on the leaf rather than be absorbed and the drops can magnify the light and cause damage in my experience but i think others may spray with lights on so again i'm no expert and hopefully someone with more knowledge can help you out, they look good otherwise
 
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